StockData
TMCNasdaqMetal MiningFiscal year ends December 31

TMC the metals Co Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$2.62+0.04 (+1.55%)

Close on Oct 19, 2026

Market cap
$1.14B
P/E (TTM)
3.2
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
13.4%
59M of 441M shares
Institutional holders
212
37 new, 30 sold out
Net institutional buying
-2M
In Q2 2026
Insider trades, 12 months
1 buys · 6 sales
Net sold $2.38M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Edward Heerema67,502,50115.60%13D (active) amendmentJul 1, 2026
Gerard Barron30,809,6386.90%13D (active) amendmentSep 9, 2026
Korea Zinc Company, Ltd.26,491,5577.20%13G (passive)Jun 25, 2025
First Manhattan Co. LLC.22,991,0506.50%13D (active)May 12, 2025

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of TMCValueChange% of portfolio
First Manhattan Co. LLC.15,315,9243.47%$67.85M–0.17%
Citadel Advisors LLC3,275,7180.74%$14.51M−350,1830.00%
Millennium Management LLC2,935,9460.67%$13.01M−130,2320.00%
Anson Funds Management LP2,644,4760.60%$11.72MNew0.70%
Baird Financial Group, Inc.2,429,8030.55%$10.76M−40,2840.01%
Jane Street Group, LLC2,427,5760.55%$10.75M−4,540,2630.00%
Susquehanna International Group, Llp2,368,4610.54%$10.49M+385,3150.00%
Tudor Investment Corp Et Al1,691,7520.38%$7.49M+61,9890.01%
Marshall Wace, Llp1,572,6990.36%$6.97M−847,2470.01%
BlackRock, Inc.1,479,9560.34%$6.56M+239,1200.00%
Yorkville Advisors Global, LP1,303,9000.30%$9.31MNew10.80%
Old West Investment Management, LLC1,204,0380.27%$5.33M–0.56%
State Street Corp1,143,0020.26%$5.06M+156,8520.00%
Group One Trading, L.P.1,055,3080.24%$4.68M+114,8240.01%
Hrt Financial LP982,2800.22%$4.35K−21,7700.00%
Renaissance Technologies LLC894,4000.20%$3.96M+164,4000.01%
UBS Group AG864,7280.20%$3.83M−483,2130.00%
Point72 Asset Management, L.P.822,4150.19%$3.64M+660,4480.00%
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.642,8980.15%$2.85M+45,2610.00%
Vanguard Portfolio Management LLC635,8400.14%$2.82M+46,1870.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202621259M13.4%37 / 7147 / 3010M11M
Q1 202620961M13.7%45 / 7143 / 3223M10M
Q4 202519948M11.0%60 / 4849 / 3111M10M
Q3 202517447M10.6%46 / 5037 / 3411M10M
Q2 202516345M10.2%73 / 3623 / 1418M8M
Q1 202510436M8.1%30 / 1919 / 107M4M
Q4 20248733M7.4%15 / 2113 / 1717M1M
Q3 20248917M3.9%13 / 1812 / 132M3M
Q2 20249018M4.0%14 / 2111 / 74M1M
Q1 20248315M3.4%13 / 2210 / 82M1M
Q4 20237814M3.1%11 / 1414 / 231M3M
Q3 20239015M3.5%32 / 2011 / 144M1M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of TMCValue% of fundAs of
Vanguard Materials Index Fund600,1330.14%$3.63M0.08%May 31, 2026
State Street(R) SPDR(R) Portfolio Developed World ex-US ETF358,2150.08%$1.59M0.00%Jun 30, 2026
iShares MSCI Global Metals & Mining Producers ETF255,1750.06%$1.54M0.07%May 31, 2026
Fidelity Nasdaq Composite Index Fund252,0880.06%$1.53M0.01%May 31, 2026
State Street(R) SPDR(R) S&P(R) International Small Cap ETF135,0660.03%$598.34K0.07%Jun 30, 2026
Fidelity Nasdaq Composite Index ETF118,5370.03%$717.15K0.01%May 31, 2026
Fidelity MSCI Materials Index ETF84,3300.02%$300.21K0.05%Jul 31, 2026
State Street(R) SPDR(R) S&P(R) North American Natural Resources ETF76,6490.02%$339.56K0.05%Jun 30, 2026
Basic Materials Fund61,8220.01%$273.87K0.80%Jun 30, 2026
iShares International Small-Cap Equity Factor ETF44,7500.01%$159.31K0.02%Jul 31, 2026
Victory Extended Market Index Fund24,6110.01%$87.62K0.01%Jul 31, 2026
Carbon Collective Climate Solutions U.S. Equity ETF17,8140.00%$63.42K0.14%Jul 31, 2026
Basic Materials17,2290.00%$76.32K0.81%Jun 30, 2026
WisdomTree Efficient Rare Earth Plus Strategic Metals Fund14,9130.00%$90.22K1.14%May 31, 2026
iShares MSCI World Small-Cap ETF12,2770.00%$74.28K0.01%May 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Gerard BarronChairman & CEO, Director50,174,41811.37%Apr 15, 2026
Erika ILVESChief Strategy Officer6,324,0951.43%Apr 15, 2026
Craig SheskyChief Financial Officer2,098,4760.48%Apr 15, 2026
Anthony O'SullivanChief Development Officer2,746,8430.62%Dec 8, 2025
Andrew HallDirector466,9930.11%Sep 16, 2026
Brendan MayDirector193,3460.04%Jun 2, 2026
Andrew Carlyle GreigDirector7,886,1751.79%Jun 2, 2026
Christian MadsbjergDirector419,3080.10%Jun 2, 2026
Sheila KhamaDirector353,5980.08%Jun 2, 2026
Andrei KarkarDirector, 10% owner61,435,23113.93%Jun 2, 2026
Alex SpiroDirector1,750,0000.40%Sep 4, 2025
Michael Bernard HessDirector3,570,8630.81%Sep 4, 2025
Amelia Kinahoi SiamomuaDirector294,4520.07%Jun 3, 2025
Administratiekantoor Aequa Lance Foundation Stichting10% owner55,113,60112.49%Jul 7, 2026
Group S.A. Allseas10% owner––Jul 7, 2026
Edward Heerema10% owner62,419,16814.15%Jul 7, 2026
Investments S.A. Allseas10% owner52,780,26811.96%Jul 7, 2026
Cedit Virtuti NV Argentum10% owner1,000,0000.23%Jul 7, 2026
Capital LLC ERAS10% owner84,754,79019.21%Jun 2, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Andrew Hall
Director
Sep 11, 2026Award+72,935––466,993
Edward Heerema
10% owner
Jul 1, 2026Buy+7,305,567––62,419,168
Brendan May
Director
Jun 2, 2026Sale−20,768$6.42$133.33K193,346
Sheila Khama
Director
May 29, 2026Award+16,528––353,598
Sheila Khama
Director
May 29, 2026Award+17,316––337,070
Andrew Carlyle Greig
Director
May 29, 2026Award+16,528––5,106,850
Andrew Carlyle Greig
Director
May 29, 2026Award+20,292––5,090,322
Capital LLC ERAS
10% owner
May 29, 2026Award+16,528––459,996
Capital LLC ERAS
10% owner
May 29, 2026Award+17,857––443,468
Brendan May
Director
May 29, 2026Award+16,528––214,114
Christian Madsbjerg
Director
May 29, 2026Award+19,075––393,875
Christian Madsbjerg
Director
May 29, 2026Award+16,528––410,403
Andrew Hall
Director
May 29, 2026Award+16,528––394,058
Andrew Hall
Director
May 29, 2026Award+18,263––377,530
Erika ILVES
Chief Strategy Officer
Apr 13, 2026Award+453,515––5,214,199
Gerard Barron
Chairman & CEO, Director
Apr 13, 2026Award+816,327––41,803,445
Craig Shesky
Chief Financial Officer
Apr 13, 2026Award+453,515––1,879,356
Craig Shesky
Chief Financial Officer
Mar 26, 2026Sale−215,492$4.53$976.18K1,425,841
Craig Shesky
Chief Financial Officer
Mar 25, 2026Sale−78,186$4.58$358.09K1,641,333
Craig Shesky
Chief Financial Officer
Mar 24, 2026Sale−51,941$4.74$246.20K1,719,519
Craig Shesky
Chief Financial Officer
Mar 20, 2026Option exercise+187,662––1,396,583
Craig Shesky
Chief Financial Officer
Mar 20, 2026Option exercise+166,502––1,563,085
Craig Shesky
Chief Financial Officer
Mar 20, 2026Option exercise+208,375––1,771,460
Craig Shesky
Chief Financial Officer
Feb 10, 2026Option exercise+63,204$0.65$41.08K1,208,921
Christian Madsbjerg
Director
Feb 6, 2026Option exercise+31,602$0.65$20.54K374,800
Christian Madsbjerg
Director
Feb 6, 2026Option exercise+11,578$0.52$6.02K343,198
Andrei Karkar
Director, 10% owner
Feb 6, 2026Option exercise+31,602$0.65$20.54K425,611
Andrei Karkar
Director, 10% owner
Feb 3, 2026Option exercise+63,682$0.52$33.11K394,009
Andrew Carlyle Greig
Director
Jan 8, 2026Option exercise+31,602$0.65$20.54K5,070,030
Andrew Carlyle Greig
Director
Jan 8, 2026Option exercise+578,931$2.60$1.51M5,038,428
Andrew Carlyle Greig
Director
Jan 8, 2026Option exercise+11,578$0.52$6.02K4,459,497
Anthony O'Sullivan
Chief Development Officer
Dec 2, 2025Sale−50,000$6.77$338.50K2,025,667
Anthony O'Sullivan
Chief Development Officer
Nov 28, 2025Sale−50,000$6.51$325.50K2,075,667
Erika ILVES
Chief Strategy Officer
Sep 24, 2025Option exercise+262,109$0.65$170.37K4,507,869
Erika ILVES
Chief Strategy Officer
Sep 24, 2025Option exercise+252,815$0.65$164.33K4,760,684
Erika ILVES
Chief Strategy Officer
Sep 24, 2025Option exercise+1,099,968$0.65$714.98K4,245,760
Erika ILVES
Chief Strategy Officer
Sep 23, 2025Award+2,000,000––3,145,792
Anthony O'Sullivan
Chief Development Officer
Sep 23, 2025Award+1,000,000––2,125,667
Erika ILVES
Chief Strategy Officer
Sep 22, 2025Sale−1,591,485$5.77$9.18M1,145,792
Michael Bernard Hess
Director
Sep 2, 2025Award+237,530––237,530
Michael Bernard Hess
Director
Sep 2, 2025Award+7,500,000––7,737,530
Alex Spiro
Director
Sep 2, 2025Award+1,750,000––1,750,000
Anthony O'Sullivan
Chief Development Officer
Aug 26, 2025Sale−250,000$5.25$1.31M1,125,667
Anthony O'Sullivan
Chief Development Officer
Aug 26, 2025Option exercise+250,000$0.65$162.50K1,375,667
Brendan May
Director
Jun 26, 2025Sale−44,204$7.38$326.23K197,586
Brendan May
Director
Jun 25, 2025Sale−25,000$7.80$195.00K241,790
Anthony O'Sullivan
Chief Development Officer
Jun 20, 2025Sale−185,110$7.09$1.31M0
Anthony O'Sullivan
Chief Development Officer
Jun 9, 2025Sale−50,000$4.20$210.00K185,110
Andrew Hall
Director
Jun 4, 2025Award+66,508––359,267
Christian Madsbjerg
Director
May 30, 2025Award+20,256––309,249
Christian Madsbjerg
Director
May 30, 2025Award+22,371––331,620
Andrew Carlyle Greig
Director
May 30, 2025Award+21,549––4,425,548
Andrew Carlyle Greig
Director
May 30, 2025Award+22,371––4,447,919
Sheila Khama
Director
May 30, 2025Award+5,890––297,383
Sheila Khama
Director
May 30, 2025Award+22,371––319,754
Capital LLC ERAS
10% owner
May 30, 2025Award+18,963––307,956
Capital LLC ERAS
10% owner
May 30, 2025Award+22,371––330,327
Brendan May
Director
May 30, 2025Award+22,371––266,790
Andrew Hall
Director
May 30, 2025Award+19,395––270,388
Andrew Hall
Director
May 30, 2025Award+22,371––292,759

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Brendan May
Officer
Jun 2, 202620,768$133.41KJun 2, 2026Vesting of restricted stock unit awards
Craig Shesky
Officer
Mar 26, 2026215,492$976.92KMar 26, 2026Vesting of restricted stock unit awards
Craig Shesky
Officer
Mar 25, 202678,186$358.30KMar 25, 2026Vesting of restricted stock unit awards
Craig Shesky
Officer
Mar 24, 202651,941$246.11KMar 24, 2026Vesting of restricted stock unit awards
Erika ILVES
Officer
Sep 22, 20251,591,485$9.19MSep 22, 2025Vesting of restricted stock unit award
Anthony O'Sullivan
Officer
May 21, 2025164,317$738.26KMay 21, 2025Vesting of restricted stock unit award
Craig Shesky
Officer
Apr 1, 2025353,702$585.51KApr 1, 2025Vesting of restricted stock unit award
Craig Shesky
Officer
Nov 27, 202447,523$40.19KNov 27, 2024Vesting of restricted stock unit award
Anthony O'Sullivan
Officer
May 29, 2024100,000$154.00KMay 29, 2024Vesting of restricted stock unit award
Anthony O'Sullivan
Officer
May 21, 2024100,000$142.00KMay 21, 2024Vesting of restricted stock unit award
Gregory Stone
Officer
Mar 28, 202425,000$33.12KMar 28, 2024Vesting of restricted stock unit award
Anthony O'Sullivan
Officer
Mar 28, 202450,000$66.74KMar 28, 2024Vesting of restricted stock unit award
Craig Shesky
Officer
Mar 22, 2024233,424$375.51KMar 22, 2024Vesting of restricted stock unit award
Gregory Stone
Officer
Dec 22, 202325,000$27.39KDec 22, 2023Vesting of restricted stock unit award
Gregory Stone
Officer
Dec 4, 202325,000$29.06KDec 4, 2023Vesting of restricted stock unit award